Agricultural science and technology co., LTD. Hebei ark
　　Address: 266 of shijiazhuang tianshan street party big innovation of science and technology industrial park building no. 1 floor layer 7
　　Telephone: 0311-85902232
　　Email address: fangzhoukeji@tom.com
　　Ordering hotline: 0311-85902232 （Ms. Sun） 0311-85907389 （Ms. Sun）